Toggle navigation
PDFSEARCH.IO
Document Search Engine - browse more than 18 million documents
Sign up
Sign in
Back to Results
First Page
Meta Content
View Document Preview and Link
6. Lichens and algae can be removed by first thoroughly soaking the stone and then using a wooden scraper to gently remove the biological growth. This process may need to be repeated several times. CLEANING STONE
Add to Reading List
Document Date: 2014-12-10 22:30:45
Open Document
File Size: 80,47 KB
Share Result on Facebook
UPDATE